Peri-Implantitis Clinical Trial
Official title:
Comparison of Connective Tissue Graft (CTG) and Titanium Prepared Platelet-Rich Fibrin (T-PRF) Inserted With a Double Layer Technique on Peri-Implant Soft Tissue Thickening: A Randomized Prospective Clinical Study
The present study aimed to increase the thickness of the gingiva and prevent possible crestal bone resorption by placing the CTG or T-PRF membrane under the mucosa immediately after the implant treatment in individuals with thin gingival phenotype. The null hypothesis was that T-PRF used simultaneously with implant placement can be considered an alternative to CTG.
Although connective tissue graft (CTG) is considered as the best technique for soft tissue
augmentation, limited supply of donor tissue because of palatal vessels and nerves, and
postoperative pain may require alternative methods.
The purpose of this study is to reduce the crestal bone resorption around the implant site by
augmenting the Peri-Implant Soft Tissue with T-PRF (titanium prepared platelet-rich fibrin)
or CTG and to compare the effectiveness of the two techniques.
Through simultaneous augmentation of the soft tissue by T-PRF or CTG, a total of 30 implants
were implanted in 30 patients (12 males, 18 females) with a mean age of 38.4 years. In the
test group, implants were placed in thin tissues and thickened with T- PRF membrane at the
same time, while in the control group, implants were placed in thin tissues and thickened
with CTG at the same time. During the surgery (T 0 ) and at postoperative 3 months (T 1 ),
keratinised tissue width (KTW) and Peri-Implant soft tissue thickness (STT) were measured
from three points: occlusal part of the alveolar crest (OAC), midbuccal mucosa level (MBML),
and over 1 mm of mucogingival junction (MGJ1).
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